There are four main factors that effect the pricing and quality grade of a generally. These are known as the four c’s. The four c’s are cut, clarity, colour and carat weight. Each factors will have a considerable bearing exactly how to much the diamond is worth. Overall the carat weight has the crucial effect on the price, as an appreciable diamond is much rarer than a small diamond, and in order that the carat weight will heighten the price. However the opposite factors still deliver the quality within the diamond as a full.